#A31F37
Red
HEX
RGB
HSL
About #A31F37 Red
#A31F37 is a red color. In the RGB color model, it is composed of 163 red, 31 green, and 55 blue. In the HSL color space, it has a hue of 349°, saturation of 68%, and lightness of 38%.
This color has a low lightness value, making it a dark color great for text and bold accents. With moderate saturation, it appears balanced and versatile.
CSS Code
Use #A31F37 in your CSS, SCSS, or Tailwind projects.
Color Properties
349°
Hue
68%
Saturation
38%
Lightness
Red
Color Harmonies
Colors that work well with #A31F37 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #A31F37 against white and black backgrounds.
Aa#A31F37 on White
Contrast Ratio7.48:1
AA ✓AA Large ✓AAA ✓
Aa#A31F37 on Black
Contrast Ratio2.81:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #A31F37 across different color formats.
| Format | Value |
|---|---|
| HEX | #A31F37 |
| RGB | rgb(163, 31, 55) |
| HSL | hsl(349, 68%, 38%) |
| RGB Decimal | 163, 31, 55 |
| RGB Percent | 63.9%, 12.2%, 21.6% |
| CMYK (approx.) | 0%, 81%, 66%, 36% |
Related Palettes
12 palettes using #A31F37 or similar colors